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Adjunctive Diode Laser Therapy and Probiotic Lactobacillus Therapy in the Treatment of Periodontitis and Peri-Implant Disease
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Lesion progression in post-treatment persistent endodontic lesions.

Victoria Soo Hoon Yu1, Harold Henry Messer, Liang Shen

  • 1National University of Singapore, Singapore. denyshv@nus.edu.sg

Journal of Endodontics
|September 18, 2012
PubMed
Summary

Persistent endodontic lesions after root canal treatment can improve, remain unchanged, or worsen. Factors like lesion size and pain indicate poor outcomes, suggesting further intervention may be needed for these persistent lesions.

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Area of Science:

  • Endodontology
  • Oral Radiology
  • Dental Public Health

Background:

  • Radiographic lesions persist after root canal treatment, often indicating treatment failure.
  • Limited data exists on the progression of persistent endodontic lesions over time.
  • This study investigates the outcomes and predictors of persistent lesions in endodontic cases.

Purpose of the Study:

  • To assess the incidence of improvement, stability, and deterioration of persistent endodontic lesions.
  • To identify clinical factors predicting the progression of these lesions.
  • To inform clinical decision-making regarding further endodontic interventions.

Main Methods:

  • Recruitment of patients with persistent endodontic lesions (≥4 years post-treatment) from a university clinic.
  • Collection of data through interviews, dental records, and clinical/radiographic examinations.
  • Statistical analysis using univariate and multivariate methods (SPSS v.19).

Main Results:

  • 151 persistent lesions in 114 patients were analyzed; 70.9% treated 4-5 years prior.
  • 57.0% of lesions improved, 11.9% remained unchanged, and 31.1% deteriorated.
  • Predictors for non-improvement included lesion size, pain on biting, flare-up history, and non-ideal root filling length.

Conclusions:

  • A fixed time interval is insufficient to determine lesion resolution without intervention.
  • Clinical factors associated with deteriorating persistent lesions can guide the need for further treatment.
  • Identifying these factors aids in managing persistent endodontic lesions effectively.